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. 2022 Jun 8;16:908330. doi: 10.3389/fnins.2022.908330

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Copyright © 2022 Schilling, Gerum, Metzner, Maier and Krauss.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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DCN model response to sine waves. Shown are the spiking outputs of the LIF neurons for sine input with two different constant amplitudes (A: 0.001, B: 0.002), and two different amplitude modulations (C,D). For lower amplitudes (A) and higher frequencies the LIF neurons do not spike at all, whereas for higher amplitudes a rate code can be observed as the neurons’ maximum spiking rate is limited due to the refractory period. The parameters of the LIF neurons are chosen so that there is phase coupling in the frequency range which is relevant for speech perception.